we're going to see whether they come out on the attack or on defense. it's going to be fascinating. >> we know you will have topnotch coverage at 10:30 on cbs right here. we of course on channel 9 will have more coverage for you at 11:00 p.m. we will also be streaming the debate live for you online on wusa9.com. and as i mentioned, the fact checker here at u.s.a. today will be looking at this debate and figuring out who is telling you the absolute truth about that they believe and what they are saying about your debate. also, as we said, 11:00, we wrap up the entire thing on 9news. back to you in the studio. >> we'll be watching on air and online, derek. thank you. >>> ten years ago tonight, we were struggling to come to terms with what happened earlier in the day. four people shot out of nowhere killed in montgomery county and before the day was over, a fifth would die standing on a street corner in the district. it was really the first day of the terror that would grip this region for three straight weeks. as john allen mohommed and john malvo went on